Patents
Patents for H01C 10 - Adjustable resistors (3,867)
05/1981
05/12/1981CA1101052A1 Arcing stacked plate nonlinear resistor for voltage limiter applications such as series capacitor protection
05/05/1981US4265622 Foot controller for electrical dental instruments
04/1981
04/29/1981EP0027642A1 Rotary variable resistor
04/28/1981US4264477 Keyboard
04/28/1981CA1100207A1 Safety device
04/21/1981US4263674 Multi-band voltage variable capacitance tuner having automatic and manual tuning operations
04/14/1981US4262276 Adjustable potentiometer control arrangement
04/07/1981US4260995 Slide wire assembly
03/1981
03/31/1981US4259593 High voltage control devices
03/24/1981CA1098188A2 Method of making variable resistor having a protected resistance element
02/1981
02/24/1981US4253082 Resistance disk
02/24/1981US4252391 Anisotropically pressure-sensitive electroconductive composite sheets and method for the preparation thereof
02/24/1981CA1096454A1 Tandem electrical control for resistor
02/24/1981CA1096161A1 Pressure-sensitive, electrically conductive elastomeric composition
02/18/1981EP0023949A1 Potentiometer manufactured according to the thick-film technique
02/17/1981US4251796 Slide-type potentiometer
02/10/1981US4250481 Variable resistance device for thick film circuitry
02/04/1981EP0023276A1 Potentiometer comprising at least two conducting tracks and a rolling contact bridge as electrical connection therebetween
02/03/1981US4249157 Variable impedance device
01/1981
01/27/1981US4247816 Potentiometer with digital display
01/20/1981US4246565 Retention plug
01/06/1981US4243969 Layer resistor element
01/06/1981CA1093127A1 Dimmer switch with insulation housing
12/1980
12/30/1980US4242660 Thick film resistors
12/30/1980CA1092671A1 Single setting variable resistor
12/09/1980US4238755 Simplified linear potentiometer
12/09/1980US4238754 Variable resistor
12/02/1980US4237443 Movable wiper for potentiometers
12/02/1980US4237442 Electrical resistance element for variable resistance devices
11/1980
11/11/1980US4233587 Electric braking system
11/11/1980US4232998 Method and apparatus for regulating electrolyte solution level in a liquid rheostat
11/04/1980CA1089045A1 Variable electrical resistor with liquid-tight seal
10/1980
10/29/1980EP0018296A1 Coil or trellis utilisable in variable transformers, adjustable power or precision resistors, coding resistors, wound resistors, electric radiators and heat exchangers
10/15/1980EP0016886A1 X-Y controller
10/07/1980US4227172 Two digit resistance decade box
09/1980
09/30/1980US4225846 Shaft locking mechanism having combination switch and variable resistor
09/30/1980US4225845 Open frame single turn potentiometer with helical coil spring wiper and resilient member
09/30/1980US4225844 Adjustable variable resistance control system
09/30/1980US4225843 Variable attenuator
09/30/1980CA1086537A1 Cermet composition for and method of making strain gage transducers
09/17/1980EP0015434A1 Electrical resistance element for variable resistance devices
09/16/1980US4223294 Vernier control
09/02/1980US4220944 Resistance transducer with a non-linear characteristic curve
08/1980
08/26/1980US4219796 Semi-fixed type variable resistor
08/19/1980CA1084131A1 Variable resistor having a protected resistance element
08/12/1980CA1083681A1 Resistance element for obtaining linear output for variable resistor
07/1980
07/22/1980US4214225 Signal transducing device
07/15/1980US4213112 Variable resistance potentiometer
07/15/1980CA1081820A1 Linear magnetic core potentiometer
07/08/1980US4212005 Movement detector
07/08/1980CA1081324A1 Pulse controlled potentiometer
07/08/1980CA1081317A1 Electrolytic resistance
07/01/1980US4210896 Variable resistance control and method of making the same
07/01/1980US4210895 Pressure sensitive resistor elements
06/1980
06/03/1980CA1078951A1 Electrical dimmer plug
05/1980
05/27/1980US4205296 Rheostat trimmer
05/13/1980US4203088 Electroconductive fibers in dielectric matrix
05/13/1980US4203074 Potentiometer circuit
05/06/1980US4201969 Variable resistor and switch assembly
04/1980
04/29/1980US4200857 Variable resistor
04/29/1980US4200780 Control assembly with rotating disc cover for sliding control
04/22/1980US4199637 Anisotropically pressure-sensitive electroconductive composite sheets and method for the preparation thereof
04/22/1980CA1076223A1 Variable resistor capable of providing a linear change of the output of the resistor
04/15/1980US4197765 Dial apparatus
04/01/1980US4196410 Variable resistor
03/1980
03/04/1980CA1073067A1 Thrust bushing for variable resistor
02/1980
02/12/1980US4188606 Phaseable impedance device
02/05/1980US4186483 Potentiometer contact and rotor assembly
01/1980
01/22/1980US4185263 Wire-wound resistor
01/22/1980US4185206 High voltage control devices
01/15/1980US4184140 Two-piece trimming potentiometer
01/01/1980CA1069194A Control shaft for a variable resistance control
12/1979
12/11/1979US4178622 Compact, flat trimmer capacitors
11/1979
11/28/1979EP0005548A1 Optoelectrial potentiometer
11/28/1979EP0005547A1 Optoelectric adjustable potentiometer
11/27/1979CA1067166A1 Adjustable variable resistance control system
10/1979
10/30/1979US4173006 Variable resistance control
10/30/1979US4173005 Position indicator
10/23/1979US4172248 Variable resistor and driving mechanism therefor
09/1979
09/25/1979US4168568 Electrical resistor and method of making same
09/18/1979CA1062553A1 Variable ratio helm
09/11/1979US4167726 Magnetic liquid protector
08/1979
08/28/1979US4165622 Releasable locking and sealing assembly
08/14/1979US4164067 Method of manufacturing electrical resistor element
08/14/1979CA1060565A1 Pivotally actuated speed control means of an apparatus
08/07/1979US4163965 Electrical dimmer plug
07/1979
07/31/1979US4163204 Pressure-sensitive resistors
07/24/1979US4162472 Linkages
06/1979
06/26/1979US4159460 Variable resistor
06/19/1979US4158831 Single turn potentiometer with helical coil spring wiper
06/19/1979CA1056927A1 Variable resistance control with low noise contactor
06/19/1979CA1056883A1 Electrical switch control
05/1979
05/29/1979CA1055578A1 Variable resistance control with multiple paddle contactor and method of making the same
05/22/1979US4156227 Jogging switch mechanism
05/22/1979US4156226 Transducer assembly
05/22/1979US4155262 Leakage current in prestressed sensor varies as a function of pressure
05/16/1979EP0001882A1 Depressible contactless key for generating electric signals in an electronic keyboard
05/15/1979US4155062 Thermally sensitive electrical switch
05/15/1979US4154125 Knob locking and drag device
05/01/1979US4152687 Conductive plastic multi-turn potentiometer
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